/* 导航栏 */
nav {
    width: 100%;
    height: 90px;
}
nav>.content {
    position: relative;
}
nav>.content>.logo {
    width: 107px;
    height: 30px;
    top: 30px;
    background: url(https://img.app.meitudata.com/corp-new/image/logo-primary.@e17762fb.png) no-repeat center/cover;
    position: absolute; 
}
nav>.content>.menu {
    position: absolute;
    left: 270px;
    cursor: pointer;
}
nav>.content>.bg_white {
    background-color: #fff;
    width: 100vw;
    height: 0; 
    position: absolute;
    left: 50%;
    top: 0;
    margin-left: -50vw;
    z-index: -1;
    opacity: 0;
    transition: all 200ms;
}
nav>.content>.menu:hover+.bg_white {
    height: 360px;
    opacity: 1;
}
nav>.content>.menu>li {
    margin: 0 30px;
    font-size: 16px;
}
nav>.content>.menu>li.menu_aa {
    width: 32px;
}
nav>.content>.menu>li.menu_aa>ul {
    position: relative;
    left: -57px;
}
nav>.content>.menu>li.menu_bb {
    width: 32px;
}
nav>.content>.menu>li.menu_bb>ul {
    position: relative;
    left: -57px;
}
nav>.content>.menu>li.menu_cc {
    width: 32px;
}
nav>.content>.menu>li.menu_cc>ul {
    position: relative;
    left: -57px;
}
nav>.content>.menu>li.menu_dd {
    width: 64px;
}
nav>.content>.menu>li.menu_dd>ul {
    position: relative;
    left: -39px;
}
nav>.content>.menu>li.menu_ee {
    width: 64px;
}
nav>.content>.menu>li.menu_ee>ul {
    position: relative;
    left: -39px;
}
nav>.content>.menu>li.menu_ff {
    width: 48px;
}
nav>.content>.menu>li.menu_ff>ul {
    position: relative;
    left: -49px;
}
nav>.content>.menu>li.menu_gg {
    width: 32px;
}
nav>.content>.menu>li.menu_gg>ul {
    position: relative;
    left: -57px;
}
nav>.content>.menu>li:hover>ul {
    display: block;
}
nav>.content>.menu>li.fl>ul {
    width: 144px;
}
nav>.content>.menu>li.fl>ul>li>a {
    color: #888;
}
nav>.content>.menu>li.fl>ul>li>a:hover {
    color: #3f3f3f;
}
nav>.content>.menu>li>ul {
    overflow: hidden;
    display: none;
    text-align: center;
} 
nav>.content>.menu>li.fl>ul>li {
    margin-top: 30px;
}
nav>.content>.menu>li.fl>a {
    color: #505050;
    font-weight: 700;
    line-height: 90px;
    text-align: center;
}
nav>.content>.menu>li.menu_aa>a>p {
    width: 32px;
}
nav>.content>.menu>li.menu_bb>a>p {
    width: 32px;
}
nav>.content>.menu>li.menu_cc>a>p {
    width: 32px;
}
nav>.content>.menu>li.menu_dd>a>p {
    width: 64px;
}
nav>.content>.menu>li.menu_ee>a>p {
    width: 64px;
}
nav>.content>.menu>li.menu_ff>a>p {
    width: 48px;
}
nav>.content>.menu>li.menu_gg>a>p {
    width: 32px;
}
nav>.content>.menu>li.fl>a>p {
    height: 4px;
    background-color: #f5275f;
    transform: scaleX(0);
    transition: all 200ms;
    margin-top: -30px;
}
nav>.content>.menu>li>a:hover>p {
    transform: scale(1);
}
nav>.content>ul:hover>li.fl>a {
    color: #5b5b5b;
}
nav>.content>.typeface {
    position: absolute;
    right: 0;
    top: 33px;
}
nav>.content>.typeface>a {
    color: #505050;
    font-weight: 700; 
}
nav>.content>.typeface>span {
    color: #505050;
}
nav>.content>.typeface>span.word {
    display: inline-block;
    width: 18px;
    height: 17px;
    background-size: contain;
    vertical-align: baseline;
    background: url(https://img.app.meitudata.com/corp-new/image/lang-logo-gray.@cb0222f8.png) no-repeat center/cover;
}
nav>.content>.typeface>a:nth-child(4) {
    opacity: .7;
}
nav>.content>.typeface>a:nth-child(6) {
    opacity: .7;
}
nav>.content>.typeface>a:nth-child(4):hover {
    opacity: 1;
}
nav>.content>.typeface>a:nth-child(6):hover {
    opacity: 1;
}
/* 头部图片 */
header {
    width: 100%;
    height: 480px;
    background: url('https://corp-static.meitu.com/corp-new/460425260be1f75e49d3965fac57adb3_1586334731.jpg?x-image-process=image/format,jpg/quality,q_80') no-repeat center/cover;
    position: relative;
    top: 0px;
    z-index: -2;
}
header>h1 {
    font-size: 48px;
    color: #fff;
    font-weight: 500;
    position: absolute;
    top: 190px;
    left: 250px;
}
header>p {
    font-size: 16px;
    color: #fff;
    position: absolute;
    top: 264px;
    left: 250px;
}
/* 社会责任 */
section {
    margin: 80px 0 40px;
}
h3 {
    text-align: center;
    font-size: 30px;
    color: #3e3e3e;
}
/* 举例 */
article {
    background-color: #fafafa;
    padding-bottom: 80px;
}
article>div>ul>li {
    width: 470px;
    height: 310px;
    margin-bottom: 10px;
    position: relative;
}
article>div>ul>li>img {
    width: 470px;
    height: 310px;
}
article>div.content>ul>li>div {
    width: 730px;
    height: 310px;
    padding: 34px;
    position: absolute;
    top: 0px;
    left: 470px;
    background-color: #fff;
}
article>div.content>ul>li>div>span {
    font-size: 20px;
    line-height: 1.4;
    text-align: left;
    color: #3e3e3e;
}
article>div.content>ul>li>div>p {
    margin-top: 14px;
    font-size: 14px;
    line-height: 2.14;
    text-align: left;
    color: #787878;
}
article>div.content>ul>li>div>a {
    font-size: 16px;
    color: #f5275f;
    position: absolute;
    bottom: 50px;
}
/* 页脚 */
footer {
    width: 100%;
    height: 466px;
    position: relative;
    /* top: 983px; */
    background-color: #f3f3f3;
}
footer>.content {
    height: 466px;
    padding: 60px 0 30px;
    position: relative;
}
footer>.content>div {
    float: left;
}
footer>.content>.footer_01 {
    margin-right: 140px;
}
footer>.content>.footer_02 {
    margin-right: 140px;
}
footer>.content>.footer_03 {
    margin-right: 60px;
}
footer>.content>.footer_03>ul>li>div {
    position: relative;
    top: -50px;
    left: 50px;
}
footer>.content>div>p {
    margin-bottom: 20px;
    font-size: 20px;
    color: gray;
}
footer>.content>div>ul>li {
    height: 48px;
    font-size: 16px;
    line-height: 1.5;
}
footer>.content>div>ul>li>a {
    color: gray;
    display: inline-block;
    height: 48px;
}
footer>.content>.footer_logo {
    position: absolute;
    top: 60;
    right: 0;
}
footer>.content>.footer_logo>p {
    margin: 0 auto;
    width: 134px;
    height: 35px;
    background: url(https://img.app.meitudata.com/corp-new/image/logo-primary.@e17762fb.png) no-repeat 0px 0px/134px 35px;

}
footer>.content>.footer_logo>h5 {
    color: gray;
    font-size: 12px;
    text-align: center;
}
footer>.content>.footer_logo>h2 {
    font-size: 30px;
}
footer>.content>.footer_jubao {
    position: absolute;
    bottom: 0px;
}
footer>.content>.footer_jubao>.footer_jubao_aa {
    color: gray;
    font-size: 16px;
    height: 32px;
    line-height: 32px;
    text-align: left;
}
footer>.content>.footer_jubao>.footer_jubao_aa>span {
    display: inline-block;
    width: 55px;
    height: 15px;
    background: url(https://img.app.meitudata.com/corp-new/image/meitu-logo@3x.@db66f5c7.png) no-repeat 0 0/55px 15px;
    margin: 0 10px;
    vertical-align: baseline;
}
footer>.content>.footer_jubao>.footer_jubao_bb {
    color: #b4b4b4;
    font-size: 15px;
    height: 51px;
}
footer>.content>.footer_jubao>.footer_jubao_bb>a {
    color: #b4b4b4;
    font-size: 15px;
}
footer>.content>.footer_jubao>.footer_jubao_bb>a:hover {
    color: #f5275f;
} 